lkml.org 
[lkml]   [2019]   [Dec]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: 答复: 答复: 答复: 答复: 答复 : [PATCH] iommu/vt-d: Don't reject nvme host due to sco pe mismatch
From
Date
Hi,

On 12/25/19 10:05 AM, Jim,Yan wrote:
> Hi,
>
>> -----邮件原件-----
>> 发件人: Lu Baolu [mailto:baolu.lu@linux.intel.com]
>> 发送时间: 2019年12月25日 10:01
>> 收件人: Jim,Yan <jimyan@baidu.com>; Jerry Snitselaar <jsnitsel@redhat.com>
>> 抄送: iommu@lists.linux-foundation.org; linux-kernel@vger.kernel.org
>> 主题: Re: 答复: 答复: 答复: 答复: [PATCH] iommu/vt-d: Don't reject nvme
>> host due to scope mismatch
>>
>> Hi,
>>
>> On 2019/12/25 9:52, Jim,Yan wrote:
>>> Hi,
>>>
>>>> -----邮件原件-----
>>>> 发件人: Lu Baolu [mailto:baolu.lu@linux.intel.com]
>>>> 发送时间: 2019年12月24日 19:27
>>>> 收件人: Jim,Yan <jimyan@baidu.com>; Jerry Snitselaar
>>>> <jsnitsel@redhat.com>
>>>> 抄送: iommu@lists.linux-foundation.org; linux-kernel@vger.kernel.org
>>>> 主题: Re: 答复: 答复: 答复: [PATCH] iommu/vt-d: Don't reject nvme host
>> due to
>>>> scope mismatch
>>>>
>>>> Hi,
>>>>
>>>> On 2019/12/24 16:18, Jim,Yan wrote:
>>>>>>>> For both cases, a quirk flag seems to be more reasonable, so that
>>>>>>>> unrelated devices will not be impacted.
>>>>>>>>
>>>>>>>> Best regards,
>>>>>>>> baolu
>>>>>>> Hi Baolu,
>>>>>>> Thanks for your advice. And I modify the patch as follow.
>>>>>> I just posted a patch for both NTG and NVME cases. Can you please
>>>>>> take a
>>>> look?
>>>>>> Does it work for you?
>>>>>>
>>>>>> Best regards,
>>>>>> baolu
>>>>>>
>>>>> I have tested your patch. It does work for me. But I prefer my
>>>>> second version,
>>>> it is more flexible, and may use for similar unknown devices.
>>>>>
>>>>
>>>> I didn't get your point. Do you mind explaining why it's more flexible?
>>>>
>>>> Best regards,
>>>> Baolu
>>> For example, an unknown device has a normal PCI header and bridge scope
>> and a class of PCI_CLASS_BRIDGE_PCI.
>>> These devices do have a class of PCI_BASE_CLASS_BRIDGE in common.
>>
>> This is not a common case. It's only for devices on the marketing and hard for
>> the VT-d users to get it fixed in the OEM firmware.
>>
>> Best regards,
>> Baolu
>
> Got it. Then I am OK with this patch. I have tested it yesterday. It does work for me.
> Thanks.

Can I add your Tested-by?

Best regards,
baolu

\
 
 \ /
  Last update: 2019-12-25 03:38    [W:0.032 / U:4.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site